How long is the flight from Montana to Vietnam?

For as low as $979, United Airlines can have you in Vietnam from Montana in 42h 20m. The distance between Montana and Vietnam is about 7950 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

What is the cheapest time of day to fly from MT to VN?

When flying from Montana to Vietnam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Montana to Vietnam that include hotel bookings?

Yes. In addition to deals on Montana to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montana to Vietnam?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Vietnam.

Can I find deals for business class flights from Montana to Vietnam?

Yes. Cheapflights offers flight deals from Montana to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$435+ Flights from Montana to Vietnam

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Cheap flight deals from Montana to Vietnam

Cheapest flights from Montana to Vietnam
Explore the most affordable flight options available from Montana to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2025.

Thu 12/258:10 pmFCA - DAD

2 stops27h 05mEVA Air

Thu 1/11:00 pmDAD - FCA

2 stops25h 15mEVA Air

Deal found 12/24

$1,911

Thu 12/256:05 amFCA - DAD

3 stops36h 35mJapan Airlines

Thu 1/15:15 pmDAD - FCA

3 stops40h 15mJapan Airlines

Deal found 12/24

$9,852

Best flights from Montana to Vietnam
Discover carefully curated flight deals from Montana to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 25, 2025.

Sun 1/1810:52 amBIL - SGN

3 stops46h 03mUnited Airlines

Thu 1/226:00 amSGN - BIL

3 stops41h 50mUnited Airlines

Deal found 12/24

$796

Mon 4/135:15 amBIL - SGN

2 stops42h 20mKorean Air

Thu 4/167:35 amSGN - BIL

2 stops27h 51mKorean Air

Deal found 12/23

$979

Tue 2/103:35 pmBIL - SGN

2 stops44h 30mMultiple Airlines

Tue 3/1011:00 amSGN - BIL

2 stops40h 52mMultiple Airlines

Deal found 12/24

$1,036

Tue 2/33:35 pmBIL - SGN

2 stops35h 15mChina Airlines

Tue 2/2411:00 amSGN - BIL

2 stops26h 38mChina Airlines

Deal found 12/24

$1,163

Sun 2/83:21 pmFCA - DAD

2 stops56h 54mDelta

Sun 2/2211:20 pmDAD - FCA

2 stops53h 02mDelta

Deal found 12/23

$1,535

Mon 4/137:00 amBIL - SGN

2 stops28h 15mUnited Airlines

Thu 4/167:00 amSGN - BIL

3 stops39h 40mUnited Airlines

Deal found 12/22

$969

Tue 2/36:30 amBIL - SGN

3 stops50h 25mUnited Airlines

Tue 2/246:00 amSGN - BIL

3 stops29h 21mUnited Airlines

Deal found 12/23

$1,088

Tue 2/104:13 pmBIL - SGN

3 stops40h 42mUnited Airlines

Tue 3/106:00 amSGN - BIL

3 stops44h 23mUnited Airlines

Deal found 12/24

$1,107

Last-minute flights from Montana to Vietnam
Discover last-minute flight deals from Montana to Vietnam. Data last updated December 25, 2025 and is based on user searches.

Thu 12/258:10 pmFCA - DAD

2 stops27h 05mEVA Air

Thu 1/11:00 pmDAD - FCA

2 stops25h 15mEVA Air

Deal found 12/24

$1,911

Thu 12/256:05 amFCA - DAD

3 stops36h 35mJapan Airlines

Thu 1/15:15 pmDAD - FCA

3 stops40h 15mJapan Airlines

Deal found 12/24

$9,852

Sun 1/1810:52 amBIL - SGN

3 stops46h 03mUnited Airlines

Thu 1/226:00 amSGN - BIL

3 stops41h 50mUnited Airlines

Deal found 12/24

$796

One-way flights from Montana to Vietnam
Search for one-way flight options from Montana to Vietnam. Find affordable one-way fares based on user searches. Data last updated December 25, 2025.

Sun 2/157:00 amBIL - SGN

3 stops49h 55mUnited Airlines

Deal found 12/24

$435

Fri 2/135:53 pmBIL - SGN

3 stops63h 02mUnited Airlines

Deal found 12/24

$441

Sun 2/156:20 amBIL - SGN

2 stops40h 30mDelta

Deal found 12/24

$445

Tue 2/106:30 amBIL - SGN

3 stops50h 25mUnited Airlines

Deal found 12/23

$612

Tue 2/103:35 pmBIL - SGN

2 stops44h 30mMultiple Airlines

Deal found 12/24

$618

Wed 2/112:45 pmBIL - SGN

3 stops42h 10mUnited Airlines

Deal found 12/24

$635

Thu 2/127:00 amBIL - SGN

3 stops56h 55mMultiple Airlines

Deal found 12/24

$660

Wed 2/117:00 amBIL - SGN

2 stops41h 30mPhilippine Airlines

Deal found 12/24

$718

Fri 2/132:04 pmBIL - SGN

2 stops34h 26mPhilippine Airlines

Deal found 12/24

$752

Tue 2/107:00 amBIL - SGN

2 stops25h 25mKorean Air

Deal found 12/24

$786

Find flight deals from Montana to Vietnam

Round-trip from	$969 (United Airlines)
One-way from	$612 (United Airlines)

From Montana to Vietnam

Search Deals

One-way flight from Montana to Vietnam

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Sun 1/18

10:52 am-10:55 pm

3 stops46h 03m

Ho Chi Minh City

Thu 1/22

6:00 am-9:50 am

3 stops41h 50m

$796

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 4/13

7:00 am-12:15 am

2 stops28h 15m

Ho Chi Minh City

Thu 4/16

7:00 am-9:40 am

3 stops39h 40m

$969

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Mon 4/13

5:15 am-12:35 pm

2 stops42h 20m

Ho Chi Minh City

Thu 4/16

7:35 am-10:26 pm

2 stops27h 51m

$979

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/10

3:35 pm-2:05 am

2 stops44h 30m

Ho Chi Minh City

Tue 3/10

11:00 am-2:52 pm

2 stops40h 52m

$1,036

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/3

6:30 am-10:55 pm

3 stops50h 25m

Ho Chi Minh City

Tue 2/24

6:00 am-9:21 pm

3 stops29h 21m

$1,088

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/10

4:13 pm-10:55 pm

3 stops40h 42m

Ho Chi Minh City

Tue 3/10

6:00 am-1:23 pm

3 stops44h 23m

$1,107

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Tue 2/3

3:35 pm-4:50 pm

2 stops35h 15m

Ho Chi Minh City

Tue 2/24

11:00 am-11:38 pm

2 stops26h 38m

$1,163

KalispellDa Nang

FCA - DAD

FCADAD

Kalispell Glacier Park

Sun 2/8

3:21 pm-2:15 pm

2 stops56h 54m

Da Nang

Sun 2/22

11:20 pm-2:22 pm

2 stops53h 02m

$1,535

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Sun 2/15

7:00 am-10:55 pm

3 stops49h 55m

$435

BillingsHo Chi Minh City

BIL - SGN

BILSGN

Billings Logan Intl

Fri 2/13

5:53 pm-10:55 pm

3 stops63h 02m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 17 results

Best time to book a flight from Montana to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Montana with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to Vietnam

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Montana to Vietnam?
For as low as $979, United Airlines can have you in Vietnam from Montana in 42h 20m. The distance between Montana and Vietnam is about 7950 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Montana to Vietnam that include hotel bookings?
Yes. In addition to deals on Montana to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montana to Vietnam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Vietnam.
Can I find deals for business class flights from Montana to Vietnam?
Yes. Cheapflights offers flight deals from Montana to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Montana to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$852	Average$1,386	FlexibilityNo cancel fee	On-time69%

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$435+ Cheap flights from Montana to Vietnam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Montana to Vietnam with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Montana to Vietnam

Cheapest flights from Montana to VietnamExplore the most affordable flight options available from Montana to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2025.

Explore the most affordable flight options available from Montana to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2025.

Find flight deals from Montana to Vietnam

Keep the following information in mind while searching for Montana to Vietnam flight deals. Data was last updated December 25, 2025.

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montana to Vietnam that are best for you.

Best time to book a flight from Montana to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Montana with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Montana to Vietnam

Related info for your journey

Find useful and relevant information for your journey from Montana to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Montana to Vietnam?

Can I find deals for flights from Montana to Vietnam that include hotel bookings?

How can I find direct flights from Montana to Vietnam?

Can I find deals for business class flights from Montana to Vietnam?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Montana to Vietnam

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Cheapest flights from Montana to Vietnam
Explore the most affordable flight options available from Montana to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2025.